Posse Konstantin

Born in 1847, Mr.. After the formation of 2-nd St. Petersburg High School entered the Physics and Mathematics of St. Petersburg University, where he graduated from the course a candidate in 1863. From 1871 to 1895. taught advanced mathematics at the Institute of Railway Engineers. He taught mathematics for some time at the higher women's courses and the St. Petersburg Institute of Technology. In 1873, Mr.. received in St. Petersburg University, a Master of Mathematics for the essay: 1) "Functions such as Legendre functions". Then began at university lectures on analytic geometry as a privat-docent, and in 1880. was elected to full-time professors. Received a doctorate in mathematics in 1882, Mr.. for the essay: 2) "On functions of two variables omega arguments"; in 1883. elected Board of the University of extraordinary professor in 1886. - Ordinary Professor. According to many of his disciples, Posse has a gift for clear and accurate presentation of the subject. In addition to these works, Posse enjoy the following works: 3) "Sur les quadratures" (1875, "Nouv. ann. d. mathem. "), 4)" On a question about the least values "(1880," Notes of the Academy of Sciences ", t. 38), . 5) "On additional term Chebyshev formula" (1883, . "Communications of the Kharkov Mathematical Society") 6) "On the limits of integrals and sums" (1885, . ib.); 7) "Quelques remarques sur une certaine question de minimum" ( "Mathematische Annalen", . 1885, . t, . 26); 8) "Functions, . such as Legendre functions "(" Communications of the Kharkov Mathematical Society ", . 1886), 9) "Sur quelques applications des fractions continues algebriques" (St. Petersburg, . 1886); 10) "On a differential identity" (1888, . "Moscow Mathematical Digest, . t, . 13); 11) "A note on the lowest and highest" (ib., t. 14, 1890); 12) "Course of the integral calculus" (St. Petersburg, 1891, 2 ed., 1895), "On the transcendence of numbers and the Epsilon Pi" ( "Proceedings of the Technological Institute, 1893), in 1897. Posse wrote for "critical-biographical dictionary, SA. Vengerov's sketch of the life and work P.L. Chebyshev. Especially remarkable work Posse, The aforesaid are the numbers 1, 6 and 7.